Lewis p



4L. P. SPENCER.

SHUTTLE.

APFUCATION FILED FEB. 1?. 19m.

Patented Aug. .8, 1916.

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[UNITED STATES PATENT OFFICE.

LEWIS P. SPENCER, OF NEW BEDFOBD, MASSACHUSETTS.

SHUTTLE.

, the following is a specification.

This invention relates to certain new and useful improvements in shuttles and pertains more particularly to the means employed for securing the bobbin in position.

The object of the invention is to provide a bobbin holder which eliminates the use of a separate spring which is independently secured to the shuttle, and further to provide a holder in which the spring acts to hold the spindle in its bearings. With the use of an independent spring which is usually secured in position by screws, the latter frequently become loose causing the bobbin to rise in the shuttle, thereby producing defective work. The present invention has for its object elimination of this objection and also the production of a holder of increased sim plicity and effectiveness.

In the drawings-Figure 1 is a top plan view of the invention applied to a shuttle,

the latter shown in fragment. Fig. 2 is a longitudinal sectional view of Fig. 1. Fig. 3 is a section on the line 3-3 of Fig. 2. Fig. 4 is a detail perspective view of the device.

' In accordance with the present invention a holder is employed which embodies an integral U-shaped spring member 1, which is arranged to have its two parallel arms horizontally disposed, the lower arm 2 seating on a wall 3 of the shuttle and the upper arm forming a spring which acts on the heel 5 of the bobbin spindle 6. The sides of arm 2 are preferably formed with integral upward extensions ,7, the outer ends of which are shaped to form gripping fingers 8 which are adapted to grip the bobbin base 9, as depicted in dotted lines in .Fig. 1.

The vertical extensions 7 have their upper edges formed with U-shaped bearings or seats 10 which open upwardly, or in other words have open top portions to receive the journal pin. This journal pin performs a dual function, namely it provides a pivotal mounting for the spindle by being projected through the heel 5 thereof, and seating in the bearings 10, and in addition by being driven into the shuttle as shown clearly in Fig. 3, it serves to secure the entire device in the shuttle.

Specification of Letters Patent.

The heel is formed with a downwardly projecting stop 'lug or finger 12 which en-' gages the free inner end 2' ofthe lower arm 2, as shown in Fig. 2, to thereby limit the downward movement of the spindle, the said end of the arm 2 thus providing a metallic wearing seat for the stop lug.

The spring arm 4 it will be noted bears directly on top of the heel 5 and thus serves to hold the journal pin 11 in its seat 10, allowing the spindle to be removed by simply withdrawing the pin 11 from its socket in the shuttle, whereupon the spindle can be slid out from between the extensions 7, as is obvious.

In positioning the parts in the shuttle, the heel of the spindle is inserted between the extensions 7 with its opening in register with the seats 10 10, whereupon the pin 11 is inserted in its socket in the shuttle body and passes through the seats and the heel opening, the pin being preferably tapered so as to be held by frictional contact with the shuttle and in the latter. When the spindle is in the raised position shown in dotted .lines in Fig. 2, the base 9 thereof is moved above the gripping fingers 8 8, thus allowing the bobbin to be removed from the spindle, since the gripping fingers remain stationary during the spindle movements. The spring 4 thus acts to hold. the pin 11 in its seats 1O 10, and further tensions the spindle by hearing on the heel thereof, and since the spring is integral with the member 1, the use of screws or other separate fastening means therefor is eliminated, and the objections heretofore noted effectually overcome.

Having thus described my invention, what I claim as new and desire to secure by Let ters Patent is 1. In combination with a shuttle, a spring U-shaped holder having a horizontal disposition and having integral side extensions projecting upwardly from the opposite sides of its lower arm, the top edges of said extensions being formed with U-shaped seats, the front ends of said extensions being formed with fingers for gripping the bobbin base, a spindle havin a heel formed with an opening which registers with said seats, the upper arm of the holder being disposed above the seats in said extensions and bearing on said heel, said heel having a stop projecting down therefrom and normally abutting the free front end of the lower arm, and a pin ex- Patented Aug. 8, 1916. Application filed February 17, 1918. Serial No. 78,980. i

holder Q I r 1,193,839

tending through the shuttle, seats and heel with its arms horizontally disposed, seats opening and held under tension in the seats assoeiated with the lower arm of said holder,

by said upper spring arm of the holder. :1 spindle having a perforated heel received,

2.,In a bobbin holder, a U-shaped spring between said arms with its perforations in 20 holder having a horizontal disposition, the registry with the seats, and a pin passed lower arm of the holder having bobbin base ,through the shuttle and the perforation of gripping means and upwardly facingopen the heel and engaged in said seats, the upper seats, and the upper arm of the holder formarm of the holder bearing on the heel and.

ing a. spring, a spindle having a; heel formed holding the pin in the seats under tension. 25 10 with anopening the latter registering with p In testimony whereof I have signed my said; seats, "an g afpin passed through the name to this specification in the presence of "d' s ringiarmvtwo subscribing 'witnesses. I

LEWIS I.v SPENCER. ,"Witn'esses: U, -'shaped ROBERT A. 'Howmmn, the shuttle Lenora LAvom,

15 3,1 shuttle ha g 

